61310541 has 8 divisors (see below), whose sum is σ = 82268704. Its totient is φ = 40613040.

The previous prime is 61310531. The next prime is 61310569. The reversal of 61310541 is 14501316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61310541 - 2¹³ = 61302349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61310521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64615 + ... + 65556.

It is an arithmetic number, because the mean of its divisors is an integer number (10283588).

Almost surely, 2^61310541 is an apocalyptic number.

It is an amenable number.

61310541 is a deficient number, since it is larger than the sum of its proper divisors (20958163).

61310541 is a wasteful number, since it uses less digits than its factorization.

61310541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130331.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 61310541 is about 7830.1047885708. The cubic root of 61310541 is about 394.3165900034.

Adding to 61310541 its reverse (14501316), we get a palindrome (75811857).

The spelling of 61310541 in words is "sixty-one million, three hundred ten thousand, five hundred forty-one".